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T3RRA Cutta
Thread #98238 / / Total number of messages: 9 / Thread View Count: 1245 / Add thread to favorites:
cutterjar 98238 247 wireless pivot monitoring either
wireless pivot monitoring
Here is the view from a network camera I have mounted on a
pivot at work. The idea is to be able to check on the where
the system is at and what it's status is from anywhere on
the internet. We use standard WiFI wireless networking gear
for this purpose.
Re: wireless pivot monitoring
Here is the camera mount at the pivot point...

Looks like I haven't got the date right on the camera :-\
Re: wireless pivot monitoring
Good system! what protocol use this camera for transmision
Re: wireless pivot monitoring
This particular camera (a DLink DCS 1000) is a network
camera. I have it attached via an ethernet cable to an
802.11b/g WLAN access point (a Proxim AP600) which sends the
video back to my office wirelessly using standard TCP/IP or
UDP protocols. As long as the wireless network coverage is
good this works very nicely and is relatively inexpensive.
Re: wireless pivot monitoring
relatively inexpensive? :-P in D-Link shop cost $189 :-\
the coverage between Acces Point and camera, how many
distance have? this coverage is in straight or
Re: wireless pivot monitoring
$189? What a bargain! ;-) When I bought this one it was $250
and that was only 6 months ago. When I bought my first one 2
years ago it was $500... The point is this type of
technology (network attached devices) is falling in price
very rapidly. Did you look at the DCS900? I now buy these as
they are just as good as the DCS1000's and are only $100!

The coverage (distance) is much harder to explain. In
general you can say it is very poor as WLANs are designed
primarily for office and home use - not for farm size areas.
Also the coverage is very dependent on line of sight so
hills and trees (like there are on every farm) are a big
problem. However with the right type of antenna and careful
planning you can do much better. My best link (point to
point) is 10km. For area coverage the best I have done from
a single access point is about 100 acres (40ha).
Re: wireless pivot monitoring
40ha is much!! good hard
Re: wireless pivot monitoring
Stu, Why would you go with a sysytem like this if pivot
manufacturers offer remote control already?
Re: wireless pivot monitoring
Hi Michel,

it's a fair question. The interesting thing about using a
wireless network as the telemetry method is that the same
system can be used for monitoring and controlling almost all
equipment on the farm. If you use a proprietary radio
solution like are currently available for pivots then all
you can do is monitor and control pivots of that brand. You
would need a different system for your tractors, trucks,
pumps, gates, greenhouses etc...

Potentially with a WLAN (wireless local area network) you
can monitor and control anything with an ethernet interface
(or an interface that can be adapted to ethernet - which is
almost anything).

The other nice thing is that because these networks are used
in much bigger markets than agriculture they are very
flexible and are likely to end up being much lower cost.

This is still fairly speculative as there are plenty of
problems currently with these WLANs for the farming
environment and it will likely be a few years before they
are a viable alternative to current systems.


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